Finding the Fourth Proportional to 340,629,107.21, 470,068,373.88 and 183,996,283.39
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Solution
The fourth proportional to 340,629,107.21, 470,068,373.88 and 183,996,283.39 is: 253,914,982.32
Step by Step Solution
- Step 1: Write the proportion equation
340,629,107.21 : 470,068,373.88 = 183,996,283.39 : x - Step 2: Convert to fraction form
340,629,107.21/470,068,373.88 = 183,996,283.39/x - Step 3: Cross multiply
340,629,107.21x = 470,068,373.88 × 183,996,283.39 - Step 4: Simplify right side
340,629,107.21x = 86,490,833,733,100,944 - Step 5: Solve for x
x = 86,490,833,733,100,944/340,629,107.21 - Step 6: Final answer
x = 253,914,982.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.